netsurf/atari/search.c
2014-10-25 15:37:03 +01:00

303 lines
7.3 KiB
C

/*
* Copyright 2013 Ole Loots <ole@monochrom.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdbool.h>
#include <assert.h>
#include "utils/log.h"
#include "utils/messages.h"
#include "desktop/browser.h"
#include "desktop/search.h"
#include "desktop/gui_search.h"
#include "atari/gui.h"
#include "atari/rootwin.h"
#include "atari/misc.h"
#include "atari/toolbar.h"
#include "atari/search.h"
#include "atari/gemtk/gemtk.h"
#include "atari/res/netsurf.rsh"
extern struct gui_window * input_window;
static void nsatari_search_set_status(bool found, void *p);
static void nsatari_search_set_hourglass(bool active, void *p);
static void nsatari_search_add_recent(const char *string, void *p);
void nsatari_search_set_forward_state(bool active, void *p);
void nsatari_search_set_back_state(bool active, void *p);
static struct gui_search_table search_table = {
nsatari_search_set_status,
nsatari_search_set_hourglass,
nsatari_search_add_recent,
nsatari_search_set_forward_state,
nsatari_search_set_back_state,
};
struct gui_search_table *atari_search_table = &search_table;
/**
* Change the displayed search status.
* \param found search pattern matched in text
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_status(bool found, void *p)
{
LOG(("%p set status: %d\n", p, found));
// TODO: maybe update GUI
}
/**
* display hourglass while searching
* \param active start/stop indicator
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_hourglass(bool active, void *p)
{
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
LOG(("active: %d, session: %p", active, p));
if (active)
gui_window_set_pointer(s->g, GUI_POINTER_PROGRESS);
else
gui_window_set_pointer(s->g, GUI_POINTER_DEFAULT);
}
/**
* add search string to recent searches list
* front is at liberty how to implement the bare notification
* should normally store a strdup() of the string;
* core gives no guarantee of the integrity of the const char *
* \param string search pattern
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_add_recent(const char *string, void *p)
{
LOG(("%p add recent: %s\n", p, string));
}
/**
* activate search forwards button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_forward_state(bool active, void *p)
{
struct gui_window *gw;
OBJECT *toolbar;
GRECT area;
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
/* deactivate back cb */
LOG(("%p: set forward state: %d\n", p, active));
gw = s->g;
toolbar = toolbar_get_form(gw->root->toolbar);
if(active)
toolbar[TOOLBAR_BT_SEARCH_FWD].ob_state &= ~OS_DISABLED;
else
toolbar[TOOLBAR_BT_SEARCH_FWD].ob_state |= OS_DISABLED;
window_get_grect(gw->root, BROWSER_AREA_SEARCH, &area);
window_schedule_redraw_grect(gw->root, &area);
}
/**
* activate search back button in gui
* \param active activate/inactivate
* \param p the pointer sent to search_verify_new() / search_create_context()
*/
void nsatari_search_set_back_state(bool active, void *p)
{
struct gui_window *gw;
OBJECT *toolbar;
GRECT area;
SEARCH_FORM_SESSION s = (SEARCH_FORM_SESSION)p;
/* deactivate back cb */
LOG(("%p: set back state: %d\n", p, active));
s->state.back_avail = active;
gw = s->g;
toolbar = toolbar_get_form(gw->root->toolbar);
if(active)
toolbar[TOOLBAR_BT_SEARCH_BACK].ob_state &= ~OS_DISABLED;
else
toolbar[TOOLBAR_BT_SEARCH_BACK].ob_state |= OS_DISABLED;
window_get_grect(gw->root, BROWSER_AREA_SEARCH, &area);
window_schedule_redraw_grect(gw->root, &area);
}
static int apply_form(OBJECT *obj, struct s_search_form_state *s)
{
char * cstr;
assert(s != NULL);
s->flags = 0;
if( (obj[TOOLBAR_CB_CASESENSE].ob_state & OS_SELECTED) != 0 )
s->flags |= SEARCH_FLAG_CASE_SENSITIVE;
if( (obj[TOOLBAR_CB_SHOWALL].ob_state & OS_SELECTED) != 0 )
s->flags |= SEARCH_FLAG_SHOWALL;
cstr = gemtk_obj_get_text(obj, TOOLBAR_TB_SRCH);
snprintf(s->text, 32, "%s", cstr);
return ( 0 );
}
static void set_text(OBJECT *obj, short idx, char * text, int len)
{
char spare[255];
if( len > 254 )
len = 254;
if( text != NULL ){
strncpy(spare, text, 254);
} else {
strcpy(spare, "");
}
set_string(obj, idx, spare);
}
void nsatari_search_restore_form( struct s_search_form_session *s, OBJECT *obj)
{
if ((s->state.flags & SEARCH_FLAG_SHOWALL) != 0) {
obj[TOOLBAR_CB_SHOWALL].ob_state |= OS_SELECTED;
}
else {
obj[TOOLBAR_CB_SHOWALL].ob_state &= ~OS_SELECTED;
}
if ((s->state.flags & SEARCH_FLAG_CASE_SENSITIVE) != 0) {
obj[TOOLBAR_CB_CASESENSE].ob_state |= OS_SELECTED;
}
else {
obj[TOOLBAR_CB_CASESENSE].ob_state &= ~OS_SELECTED;
}
if (s->state.back_avail == false) {
obj[TOOLBAR_BT_SEARCH_BACK].ob_state |= OS_DISABLED;
} else {
obj[TOOLBAR_BT_SEARCH_BACK].ob_state &= ~OS_DISABLED;
}
TEDINFO *t = ((TEDINFO *)get_obspec(obj, TOOLBAR_TB_SRCH));
set_text(obj, TOOLBAR_TB_SRCH, s->state.text, t->te_txtlen);
}
void nsatari_search_session_destroy(struct s_search_form_session *s)
{
if (s != NULL) {
LOG((""));
browser_window_search_clear(s->g->browser->bw);
free(s);
}
}
/** checks for search parameters changes */
static bool search_session_compare(struct s_search_form_session *s, OBJECT *obj)
{
uint32_t flags_old;
uint32_t flags_mask = SEARCH_FLAG_SHOWALL | SEARCH_FLAG_CASE_SENSITIVE;
struct s_search_form_state cur;
assert(s != NULL && obj != NULL);
flags_old = s->state.flags;
apply_form(obj, &cur);
if ((cur.flags&flags_mask) != (flags_old&flags_mask)) {
return( true );
}
char * cstr;
cstr = gemtk_obj_get_text(obj, TOOLBAR_TB_SRCH);
if (cstr != NULL){
if (strcmp(cstr, (char*)&s->state.text) != 0) {
return (true);
}
}
return( false );
}
void nsatari_search_perform(struct s_search_form_session *s, OBJECT *obj,
search_flags_t f)
{
assert(s!=null);
assert(input_window->browser->bw == s->g->browser->bw);
if(search_session_compare(s, obj)){
browser_window_search_clear(s->g->browser->bw);
apply_form(obj, &s->state);
} else {
}
/* get search direction manually: */
if ( (f&SEARCH_FLAG_FORWARDS) != 0 )
s->state.flags |= SEARCH_FLAG_FORWARDS;
else
s->state.flags &= (~SEARCH_FLAG_FORWARDS);
browser_window_search(s->g->browser->bw, s,
s->state.flags,
gemtk_obj_get_text(obj, TOOLBAR_TB_SRCH));
}
struct s_search_form_session * nsatari_search_session_create(OBJECT * obj,
struct gui_window *gw)
{
struct s_search_form_session *sfs;
sfs = calloc(1, sizeof(struct s_search_form_session));
assert(obj);
assert(sfs);
sfs->g = gw;
apply_form(obj, &sfs->state);
browser_window_search_clear(gw->browser->bw);
return(sfs);
}